Pricing and unresponsive flows purging for global rate enhancement

Authors:
G. Abbas;A. K. Nagar;H. Tawfik;J. Y. Goulermas
Affiliations:
Intelligent and Distributed Systems Laboratory, Liverpool Hope University, Liverpool, UK;Intelligent and Distributed Systems Laboratory, Liverpool Hope University, Liverpool, UK;Intelligent and Distributed Systems Laboratory, Liverpool Hope University, Liverpool, UK;Centre for Intelligent Monitoring Systems, University of Liverpool, Liverpool, UK
Venue:
Journal of Electrical and Computer Engineering
Year:
2010

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Abstract

Pricing-based Active Queue Management (AQM), such as Random Exponential Marking (REM), outperforms other probabilistic counterpart techniques, like Random Early Detection (RED), in terms of both high utilization and negligible loss and delay. However, the pricing-based protocols do not take account of unresponsive flows that can significantly alter the subsequent rate allocation. This letter presents Purge (Pricing and Un-Responsive flows purging for Global rate Enhancement) that extends the REM framework to regulate unresponsive flows. We show that Purge is effective at providing fairness and requires small memory and low-complexity operations.